Re: [Monetdb-developers] [Monetdb-checkins] MonetDB5/src/mal mal_builder.mx, MonetDB_5-2, 1.26, 1.26.2.1
On Mon, Oct 29, 2007 at 07:09:42AM +0000, Niels Nes wrote:
Update of /cvsroot/monetdb/MonetDB5/src/mal In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv18604/src/mal
Modified Files: Tag: MonetDB_5-2 mal_builder.mx Log Message: pushStr shouldn't do a GDKstrdup, as it may return an equal string from the constant cache, ie only if the returned variable holds the given string (poniters are equal) we do a string dup. This solves another memory leak.
Index: mal_builder.mx
RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26 retrieving revision 1.26.2.1 diff -u -d -r1.26 -r1.26.2.1 --- mal_builder.mx 28 Aug 2007 19:56:41 -0000 1.26 +++ mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 @@ -260,10 +260,12 @@ ValRecord cst;
cst.vtype= TYPE_str;
- cst.val.sval= GDKstrdup(val);
- cst.val.sval= val;
gcc -DHAVE_CONFIG_H -I. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../.. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../optimizer -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../optimizer -I../scheduler -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../scheduler -I../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/common -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/gdk -DLIBMAL -Wall -Wextra -std=c99 -g -Werror-implicit-function-declaration -Werror -Wpointer-arith -Wdeclaration-after-statement -Wundef -Wp,-D_FORTIFY_SOURCE=2 -D_REENTRANT -c mal_builder.c -fPIC -DPIC -o .libs/libmal_la-mal_builder.o cc1: warnings being treated as errors /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx: In function 'pushStr': /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx:263: warning: assignment discards qualifiers from pointer target type make[5]: *** [libmal_la-mal_builder.lo] Error 1
Stefan
cst.len= strlen(cst.val.sval); _t = defConstant(mb,TYPE_str,&cst);
- if (getConstant(mb,_t).val.sval == val)
getConstant(mb,_t).val.sval = GDKstrdup(val);}
This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Monetdb-checkins mailing list Monetdb-checkins@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/monetdb-checkins
On Mon, Oct 29, 2007 at 12:38:15PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 07:09:42AM +0000, Niels Nes wrote:
Update of /cvsroot/monetdb/MonetDB5/src/mal In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv18604/src/mal
Modified Files: Tag: MonetDB_5-2 mal_builder.mx Log Message: pushStr shouldn't do a GDKstrdup, as it may return an equal string from the constant cache, ie only if the returned variable holds the given string (poniters are equal) we do a string dup. This solves another memory leak.
Index: mal_builder.mx
RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26 retrieving revision 1.26.2.1 diff -u -d -r1.26 -r1.26.2.1 --- mal_builder.mx 28 Aug 2007 19:56:41 -0000 1.26 +++ mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 @@ -260,10 +260,12 @@ ValRecord cst;
cst.vtype= TYPE_str;
- cst.val.sval= GDKstrdup(val);
- cst.val.sval= val;
gcc -DHAVE_CONFIG_H -I. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../.. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../optimizer -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../optimizer -I../scheduler -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../scheduler -I../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/common -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/gdk -DLIBMAL -Wall -Wextra -std=c99 -g -Werror-implicit-function-declaration -Werror - Wpointer-arith -Wdeclaration-after-statement -Wundef -Wp,-D_FORTIFY_SOURCE=2 -D_REENTRANT -c mal_builder.c -fPIC -DPIC -o .libs/libmal_la-mal_builder.o cc1: warnings being treated as errors /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx: In function 'pushStr': /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx:263: warning: assignment discards qualifiers from pointer target type make[5]: *** [libmal_la-mal_builder.lo] Error 1
The following patch would fix the compilation --- don't know, though, whether the changed sematics are acceptable ...
======== Index: MonetDB5/src/mal/mal_builder.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26.2.1 diff -u -0 -r1.26.2.1 mal_builder.mx --- MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 +++ MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 13:42:15 -0000 @@ -51 +51 @@ -mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, const char *val); +mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, char *val); @@ -257 +257 @@ -pushStr(MalBlkPtr mb, InstrPtr q, const char *val) +pushStr(MalBlkPtr mb, InstrPtr q, char *val) ========
Stefan
cst.len= strlen(cst.val.sval); _t = defConstant(mb,TYPE_str,&cst);
- if (getConstant(mb,_t).val.sval == val)
getConstant(mb,_t).val.sval = GDKstrdup(val);}
On Mon, Oct 29, 2007 at 02:43:42PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 12:38:15PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 07:09:42AM +0000, Niels Nes wrote:
Update of /cvsroot/monetdb/MonetDB5/src/mal In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv18604/src/mal
Modified Files: Tag: MonetDB_5-2 mal_builder.mx Log Message: pushStr shouldn't do a GDKstrdup, as it may return an equal string from the constant cache, ie only if the returned variable holds the given string (poniters are equal) we do a string dup. This solves another memory leak.
Index: mal_builder.mx
RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26 retrieving revision 1.26.2.1 diff -u -d -r1.26 -r1.26.2.1 --- mal_builder.mx 28 Aug 2007 19:56:41 -0000 1.26 +++ mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 @@ -260,10 +260,12 @@ ValRecord cst;
cst.vtype= TYPE_str;
- cst.val.sval= GDKstrdup(val);
- cst.val.sval= val;
gcc -DHAVE_CONFIG_H -I. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../.. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../optimizer -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../optimizer -I../scheduler -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../scheduler -I../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/common -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/gdk -DLIBMAL -Wall -Wextra -std=c99 -g -Werror-implicit-function-declaration -Werror
Wpointer-arith -Wdeclaration-after-statement -Wundef -Wp,-D_FORTIFY_SOURCE=2 -D_REENTRANT -c mal_builder.c -fPIC -DPIC -o .libs/libmal_la-mal_builder.o cc1: warnings being treated as errors /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx: In function 'pushStr': /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx:263: warning: assignment discards qualifiers from pointer target type make[5]: *** [libmal_la-mal_builder.lo] Error 1
The following patch would fix the compilation --- don't know, though, whether the changed sematics are acceptable ...
======== Index: MonetDB5/src/mal/mal_builder.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26.2.1 diff -u -0 -r1.26.2.1 mal_builder.mx --- MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 +++ MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 13:42:15 -0000 @@ -51 +51 @@ -mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, const char *val); +mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, char *val); @@ -257 +257 @@ -pushStr(MalBlkPtr mb, InstrPtr q, const char *val) +pushStr(MalBlkPtr mb, InstrPtr q, char *val)
This indeed changes the semantics.
========
Stefan
cst.len= strlen(cst.val.sval); _t = defConstant(mb,TYPE_str,&cst);
- if (getConstant(mb,_t).val.sval == val)
So I guess this works too. if (getConstant(mb,_t).val.sval == (char*)val)
Niels
getConstant(mb,_t).val.sval = GDKstrdup(val);}
-- | Dr. Stefan Manegold | mailto:Stefan.Manegold@cwi.nl | | CWI, P.O.Box 94079 | http://www.cwi.nl/~manegold/ | | 1090 GB Amsterdam | Tel.: +31 (20) 592-4212 | | The Netherlands | Fax : +31 (20) 592-4312 |
This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Monetdb-developers mailing list Monetdb-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/monetdb-developers
On 2007-10-29 18:37, Niels Nes wrote:
On Mon, Oct 29, 2007 at 02:43:42PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 12:38:15PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 07:09:42AM +0000, Niels Nes wrote:
Update of /cvsroot/monetdb/MonetDB5/src/mal In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv18604/src/mal
Modified Files: Tag: MonetDB_5-2 mal_builder.mx Log Message: pushStr shouldn't do a GDKstrdup, as it may return an equal string from the constant cache, ie only if the returned variable holds the given string (poniters are equal) we do a string dup. This solves another memory leak.
Index: mal_builder.mx
RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26 retrieving revision 1.26.2.1 diff -u -d -r1.26 -r1.26.2.1 --- mal_builder.mx 28 Aug 2007 19:56:41 -0000 1.26 +++ mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 @@ -260,10 +260,12 @@ ValRecord cst;
cst.vtype= TYPE_str;
- cst.val.sval= GDKstrdup(val);
- cst.val.sval= val;
gcc -DHAVE_CONFIG_H -I. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../.. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../optimizer -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../optimizer -I../scheduler -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../scheduler -I../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/common -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/gdk -DLIBMAL -Wall -Wextra -std=c99 -g -Werror-implicit-function-declaration -Werr
or
Wpointer-arith -Wdeclaration-after-statement -Wundef -Wp,-D_FORTIFY_SOURCE=2 -D_REENTRANT -c mal_builder.c -fPIC -DPIC -o .libs/libmal_la-mal_builder.o cc1: warnings being treated as errors /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx: In function 'pushStr': /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx:263: warning: assignment discards qualifiers from pointer target type make[5]: *** [libmal_la-mal_builder.lo] Error 1
The following patch would fix the compilation --- don't know, though, whether the changed sematics are acceptable ...
======== Index: MonetDB5/src/mal/mal_builder.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26.2.1 diff -u -0 -r1.26.2.1 mal_builder.mx --- MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 +++ MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 13:42:15 -0000 @@ -51 +51 @@ -mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, const char *val); +mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, char *val); @@ -257 +257 @@ -pushStr(MalBlkPtr mb, InstrPtr q, const char *val) +pushStr(MalBlkPtr mb, InstrPtr q, char *val)
This indeed changes the semantics.
========
Stefan
cst.len= strlen(cst.val.sval); _t = defConstant(mb,TYPE_str,&cst);
- if (getConstant(mb,_t).val.sval == val)
So I guess this works too. if (getConstant(mb,_t).val.sval == (char*)val)
I don't like this one. The function prototype says it's a const char *, so I expect that it won't be changed. If you override that inside the function, you're breaking the contract between caller and callee.
Niels
getConstant(mb,_t).val.sval = GDKstrdup(val);}
-- | Dr. Stefan Manegold | mailto:Stefan.Manegold@cwi.nl | | CWI, P.O.Box 94079 | http://www.cwi.nl/~manegold/ | | 1090 GB Amsterdam | Tel.: +31 (20) 592-4212 | | The Netherlands | Fax : +31 (20) 592-4312 |
This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Monetdb-developers mailing list Monetdb-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/monetdb-developers
On Mon, Oct 29, 2007 at 08:43:53PM +0100, Sjoerd Mullender wrote:
On 2007-10-29 18:37, Niels Nes wrote:
On Mon, Oct 29, 2007 at 02:43:42PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 12:38:15PM +0100, Stefan Manegold wrote:
On Mon, Oct 29, 2007 at 07:09:42AM +0000, Niels Nes wrote:
Update of /cvsroot/monetdb/MonetDB5/src/mal In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv18604/src/mal
Modified Files: Tag: MonetDB_5-2 mal_builder.mx Log Message: pushStr shouldn't do a GDKstrdup, as it may return an equal string from the constant cache, ie only if the returned variable holds the given string (poniters are equal) we do a string dup. This solves another memory leak.
I'm not changing the string. Just the assignment and comparison to .sval should be of type char*. None are changing the value. The clean fix is do the strdup and free it if its not used, which is as bad I guess.
Niels
Index: mal_builder.mx
RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26 retrieving revision 1.26.2.1 diff -u -d -r1.26 -r1.26.2.1 --- mal_builder.mx 28 Aug 2007 19:56:41 -0000 1.26 +++ mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 @@ -260,10 +260,12 @@ ValRecord cst;
cst.vtype= TYPE_str;
- cst.val.sval= GDKstrdup(val);
- cst.val.sval= val;
gcc -DHAVE_CONFIG_H -I. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../.. -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal -I../optimizer -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../optimizer -I../scheduler -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../scheduler -I../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/../modules/kernel -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/common -I/ufs/manegold/_/scratch0/Monet/Testing/Stable/prefix.--enable-strict_--disable-optimize_--enable-debug_--enable-assert/include/MonetDB/gdk -DLIBMAL -Wall -Wextra -std=c99 -g -Werror-implicit-function-declaration -Werr
or
Wpointer-arith -Wdeclaration-after-statement -Wundef -Wp,-D_FORTIFY_SOURCE=2 -D_REENTRANT -c mal_builder.c -fPIC -DPIC -o .libs/libmal_la-mal_builder.o cc1: warnings being treated as errors /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx: In function 'pushStr': /ufs/manegold/_/scratch0/Monet/Testing/Stable/source/MonetDB5/src/mal/mal_builder.mx:263: warning: assignment discards qualifiers from pointer target type make[5]: *** [libmal_la-mal_builder.lo] Error 1
The following patch would fix the compilation --- don't know, though, whether the changed sematics are acceptable ...
======== Index: MonetDB5/src/mal/mal_builder.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB5/src/mal/mal_builder.mx,v retrieving revision 1.26.2.1 diff -u -0 -r1.26.2.1 mal_builder.mx --- MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 07:09:40 -0000 1.26.2.1 +++ MonetDB5/src/mal/mal_builder.mx 29 Oct 2007 13:42:15 -0000 @@ -51 +51 @@ -mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, const char *val); +mal_export InstrPtr pushStr(MalBlkPtr mb, InstrPtr q, char *val); @@ -257 +257 @@ -pushStr(MalBlkPtr mb, InstrPtr q, const char *val) +pushStr(MalBlkPtr mb, InstrPtr q, char *val)
This indeed changes the semantics.
========
Stefan
cst.len= strlen(cst.val.sval); _t = defConstant(mb,TYPE_str,&cst);
- if (getConstant(mb,_t).val.sval == val)
So I guess this works too. if (getConstant(mb,_t).val.sval == (char*)val)
I don't like this one. The function prototype says it's a const char *, so I expect that it won't be changed. If you override that inside the function, you're breaking the contract between caller and callee.
Niels
getConstant(mb,_t).val.sval = GDKstrdup(val);}
-- | Dr. Stefan Manegold | mailto:Stefan.Manegold@cwi.nl | | CWI, P.O.Box 94079 | http://www.cwi.nl/~manegold/ | | 1090 GB Amsterdam | Tel.: +31 (20) 592-4212 | | The Netherlands | Fax : +31 (20) 592-4312 |
This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Monetdb-developers mailing list Monetdb-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/monetdb-developers
-- Sjoerd Mullender
participants (3)
-
Niels Nes -
Sjoerd Mullender -
Stefan Manegold